This wacky daily trading strategy posted a 13% return in this rough year

This wacky daily trading strategy posted a 13% return in this rough year Buy the S&P 500 at the close every day and sell it at the next ...

This wacky daily trading strategy posted a 13% return in this rough year Buy the S&P 500 at the close every day and sell it at the next open. Sounds wacky? You could have outperformed the market by 20 percent.